State Route 15 is a major highway located in the state of California. It runs primarily north-south, connecting various cities and regions. The route serves as an important corridor for local traffic and provides access to several key destinations, including San Diego and Los Angeles. The highway is known for its scenic views and diverse landscapes, ranging from urban areas to rural settings. It also intersects with other significant routes, enhancing connectivity within the state's transportation network. Travelers often use State Route 15 for both commuting and leisure trips.